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Cisco Security Advisory: Cisco Security Manager Vulnerability

Advisory ID: cisco-sa-20090121-csm

http://www.cisco.com/warp/public/707/cisco-sa-20090121-csm.shtml

Revision 1.0

For Public Release 2009 January 21 1600 UTC (GMT)

- ---------------------------------------------------------------------

Summary
=======

Cisco Security Manager contains a vulnerability when it is used with
Cisco IPS Event Viewer (IEV) that results in open TCP ports on both
the Cisco Security Manager server and IEV client. An unauthenticated,
remote attacker could leverage this vulnerability to access the MySQL
databases or IEV server.

Cisco has released free software updates that address this
vulnerability. A workaround is also available to mitigate this
vulnerability.

This advisory is posted at 
http://www.cisco.com/warp/public/707/cisco-sa-20090121-csm.shtml

Affected Products
=================

Vulnerable Products
+------------------

All 3.1 and 3.2 versions prior to 3.2.2 of Cisco Security Manager are
affected by this vulnerability. Cisco IEV is installed with Cisco
Security Manager by default, but the vulnerability is not exposed
until IEV has been launched.

Products Confirmed Not Vulnerable
+--------------------------------

The following products have been confirmed not vulnerable:

  * Cisco Security Manager 3.2.2
  * Cisco Security Manager 3.0.x and earlier
  * Standalone implementations of Cisco IEV
  * Cisco IPS Manager Express

No other Cisco products are currently known to be affected by this
vulnerability.

Details
=======

Cisco Security Manager is an enterprise-class management application
that is designed to configure firewall, VPN, and intrusion prevention
security services on Cisco network and security devices. As part of
Cisco Security Manager installation, the Cisco IEV is installed by
default. The IEV is a Java-based application that allows users to
view and manage alerts for up to five sensors, including the ability
to report top alerts, attackers, and victims over a specified number
of hours or days. Users can connect to and view alerts in real time
or via imported log files, configure filters and views to help manage
alerts, and import and export event data for further analysis.

A vulnerability exists in the Cisco Security Manager server. When the
IEV is launched, it opens several remotely available TCP ports on the
Cisco Security Manager server and client. These ports could allow
remote, unauthenticated root access to the IEV database and server.
When IEV is closed, it closes open ports on the Cisco Security
Manager client that launched the IEV but fails to close open ports on
the server. If the IEV has never been used on the system, the Cisco
Security Manager server is not vulnerable.

The IEV database contains events that are collected from Cisco
Intrusion Prevention System (IPS) devices. The IEV server allows an
unauthenticated user to add, delete, or modify the devices that are
added into the IEV.

This vulnerability is documented in Cisco Bug ID: CSCsv66897 

This vulnerability have been assigned the Common Vulnerabilities and
Exposures (CVE) identifiers CVE-2008-3820.

Vulnerability Scoring Details
=============================

Cisco has provided scores for the vulnerabilities in this advisory
based on the Common Vulnerability Scoring System (CVSS). The CVSS
scoring in this Security Advisory is done in accordance with CVSS
version 2.0.

CVSS is a standards-based scoring method that conveys vulnerability
severity and helps determine urgency and priority of response.

Cisco has provided a base and temporal score. Customers can then
compute environmental scores to assist in determining the impact of
the vulnerability in individual networks.

Cisco has provided an FAQ to answer additional questions regarding
CVSS at

http://www.cisco.com/web/about/security/intelligence/cvss-qandas.html

Cisco has also provided a CVSS calculator to help compute the
environmental impact for individual networks at

http://intellishield.cisco.com/security/alertmanager/cvss 

CSCsv66897: Cisco Security Manager/IEV: TCP Ports open for remote 
            connection without any authentication

CVSS Base Score - 8.8

 Access Vector           - Network
 Access Complexity       - Medium
 Authentication          - None
 Confidentiality Impact  - Complete
 Integrity Impact        - Complete
 Availability Impact     - None

CVSS Temporal Score - 7.3

 Exploitability          - Functional
 Remediation Level       - Official-Fix
 Report Confidence       - Confirmed

Impact
======

Successful exploitation of this vulnerability may result in remote
root access to the IEV database or to the IEV Server. Upon launching
the IEV remotely accessible ports are opened on the Cisco Security
Manager server and the client where the IEV is launched. When the IEV
application is closed these ports are subsequently closed on the
client however remain open on the Cisco Security Manager server.

Software Versions and Fixes
===========================

When considering software upgrades, also consult 
http://www.cisco.com/go/psirt and any subsequent advisories to 
determine exposure and a complete upgrade solution.

In all cases, customers should exercise caution to be certain the
devices to be upgraded contain sufficient memory and that current
hardware and software configurations will continue to be supported
properly by the new release. If the information is not clear, contact
the Cisco Technical Assistance Center (TAC) or your contracted
maintenance provider for assistance.

A software patch for Cisco Security Manager versions 3.1, 3.1.1, 3.2
and 3.2.1 is available for download at: 
http://www.cisco.com/cgi-bin/tablebuild.pl/csm-app?psrtdcat20e2

The patch file names by Cisco Security Manager version follow:

+------------------------------------------+
|   Cisco   |                              |
| Security  |        Patch Filename        |
|  Manager  |                              |
|  version  |                              |
|-----------+------------------------------|
| 3.0.x and | Not Vulnerable               |
| earlier   |                              |
|-----------+------------------------------|
| 3.1       | CSM310PatchCSCsv66897.zip    |
|-----------+------------------------------|
| 3.1.1.SP3 | CSM311SP3PatchCSCsv66897.zip |
|-----------+------------------------------|
| 3.2.SP2   | CSM320SP2PatchCSCsv66897.zip |
|-----------+------------------------------|
| 3.2.1.SP1 | CSM321SP1PatchCSCsv66897.zip |
|-----------+------------------------------|
| 3.2.2     | Not Vulnerable               |
+------------------------------------------+

Please read the corresponding readme files for installation
instructions.

Workarounds
===========

In the event that Cisco IEV is not being used, administrators are
advised to disable the functionality until a patch is applied. To
disable IEV on Cisco Security Manager, perform the following steps:

 1. Access the Microsoft Windows Server that Cisco Security Manager
    is installed on.

 2. Open the Services dialog box (Choose Start > Administrative Tools
    > Services).

 3. Locate the Cisco IPS Event Viewer service and open Properties.

 4. Change Startup Type: to Disabled and click Ok.

 5. Stop the Cisco IPS Event Viewer service.

 6. Stop and Restart the Cisco Security Manager Daemon Manager
    service.

 7. Confirm that the Cisco IPS Event Viewer service has not
    restarted.

    Upon disabling the Cisco IPS Event Viewer service, the open ports
    on the Cisco Security Manager server will be closed.

    Additional mitigations that can be deployed on Cisco devices
    within the network are available in the Cisco Applied Mitigation
    Bulletin companion document for this advisory: 
    http://www.cisco.com/warp/public/707/cisco-amb-20090121-csm.shtml

Obtaining Fixed Software
========================

Cisco has released free software updates that address these
vulnerabilities. Prior to deploying software, customers should
consult their maintenance provider or check the software for feature
set compatibility and known issues specific to their environment.

Customers may only install and expect support for the feature sets
they have purchased. By installing, downloading, accessing or
otherwise using such software upgrades, customers agree to be bound
by the terms of Cisco's software license terms found at 
http://www.cisco.com/en/US/products/prod_warranties_item09186a008088e31f.html
or as otherwise set forth at Cisco.com Downloads at 
http://www.cisco.com/public/sw-center/sw-usingswc.shtml

Do not contact psirt@cisco.com or security-alert@cisco.com for
software upgrades.

Customers with Service Contracts
+-------------------------------

Customers with contracts should obtain upgraded software through
their regular update channels. For most customers, this means that
upgrades should be obtained through the Software Center on Cisco's
worldwide website at http://www.cisco.com

Customers using Third Party Support Organizations
+------------------------------------------------

Customers whose Cisco products are provided or maintained through
prior or existing agreements with third-party support organizations,
such as Cisco Partners, authorized resellers, or service providers
should contact that support organization for guidance and assistance
with the appropriate course of action in regards to this advisory.

The effectiveness of any workaround or fix is dependent on specific
customer situations, such as product mix, network topology, traffic
behavior, and organizational mission. Due to the variety of affected
products and releases, customers should consult with their service
provider or support organization to ensure any applied workaround or
fix is the most appropriate for use in the intended network before it
is deployed.

Customers without Service Contracts
+----------------------------------

Customers who purchase direct from Cisco but do not hold a Cisco
service contract, and customers who purchase through third-party
vendors but are unsuccessful in obtaining fixed software through
their point of sale should acquire upgrades by contacting the Cisco
Technical Assistance Center (TAC). TAC contacts are as follows.

  * +1 800 553 2447 (toll free from within North America)
  * +1 408 526 7209 (toll call from anywhere in the world)
  * e-mail: tac@cisco.com

Customers should have their product serial number available and be
prepared to give the URL of this notice as evidence of entitlement to
a free upgrade. Free upgrades for non-contract customers must be
requested through the TAC.

Refer to http://www.cisco.com/en/US/support/tsd_cisco_worldwide_contacts.html 
for additional TAC contact information, including localized 
telephone numbers, and instructions and e-mail addresses for use in 
various languages.

Exploitation and Public Announcements
=====================================

Cisco PSIRT is not aware of any public announcements or malicious use
of the vulnerability that is described in this advisory.

This vulnerability was discovered through internal Cisco testing.

Status of this Notice: FINAL
============================

THIS DOCUMENT IS PROVIDED ON AN "AS IS" BASIS AND DOES NOT IMPLY ANY
KIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. YOUR USE OF THE
INFORMATION ON THE DOCUMENT OR MATERIALS LINKED FROM THE DOCUMENT IS
AT YOUR OWN RISK. CISCO RESERVES THE RIGHT TO CHANGE OR UPDATE THIS
DOCUMENT AT ANY TIME.

A stand-alone copy or Paraphrase of the text of this document that
omits the distribution URL in the following section is an
uncontrolled copy, and may lack important information or contain
factual errors.

Distribution
============

This advisory is posted on Cisco's worldwide website at :

http://www.cisco.com/warp/public/707/cisco-sa-20090121-csm.shtml

In addition to worldwide web posting, a text version of this notice
is clear-signed with the Cisco PSIRT PGP key and is posted to the
following e-mail and Usenet news recipients.

  * cust-security-announce@cisco.com
  * first-bulletins@lists.first.org
  * bugtraq@securityfocus.com
  * vulnwatch@vulnwatch.org
  * cisco@spot.colorado.edu
  * cisco-nsp@puck.nether.net
  * full-disclosure@lists.grok.org.uk
  * comp.dcom.sys.cisco@newsgate.cisco.com

Future updates of this advisory, if any, will be placed on Cisco's
worldwide website, but may or may not be actively announced on
mailing lists or newsgroups. Users concerned about this problem are
encouraged to check the above URL for any updates.

Revision History
================

+---------------------------------------+
| Revision |                 | Initial  |
| 1.0      | 2009-January-21 | public   |
|          |                 | release  |
+---------------------------------------+

Cisco Security Procedures
=========================

Complete information on reporting security vulnerabilities in Cisco
products, obtaining assistance with security incidents, and
registering to receive security information from Cisco, is available
on Cisco's worldwide website at 
http://www.cisco.com/en/US/products/products_security_vulnerability_policy.html
This includes instructions for press inquiries regarding Cisco 
security notices. All Cisco security advisories are available at 
http://www.cisco.com/go/psirt
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